Home / 1,116,134.40-1,540,223.36-606,819.20

Finding the Fourth Proportional to 1,116,134.40, 1,540,223.36 and 606,819.20

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Solution

The fourth proportional to 1,116,134.40, 1,540,223.36 and 606,819.20 is: 837,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,134.40 : 1,540,223.36 = 606,819.20 : x
  2. Step 2: Convert to fraction form
    1,116,134.40/1,540,223.36 = 606,819.20/x
  3. Step 3: Cross multiply
    1,116,134.40x = 1,540,223.36 × 606,819.20
  4. Step 4: Simplify right side
    1,116,134.40x = 934,637,107,136.51
  5. Step 5: Solve for x
    x = 934,637,107,136.51/1,116,134.40
  6. Step 6: Final answer
    x = 837,387.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.